Air-circulating device.



Y L. GREENBERG & G. OLSON.

AIR GIROULATING DEVICE.

APPLICATION FILED JULY 5, 1013.

2 SHEETS-SHEET 1.

Patented Jan. 19, 1915.

lllllllllllllllllllli L. GREENBERG & G. OLSON.

AIR CIRCULATING DEVICE.

APPLICATION FILED JULY 5,1913.

1 125 684, Patented Ja11.19,1915.

2 MEETS-SHEET 2.

' 30 Fig. 1 view the same part y an enema;

LOUIS ennn'manne auneusmr o'Lsou, or cmoaeo, rumors, assIc-uoas on emmum rofwrnmanm. answer, or cnrcaeo, ILLINOIS.

provide an improved construction for electric fans whereby they are adapted to he operated so as'zto direct the current ofair in practically all directions; to provide improved mechanism adapted to be actuated 15 by the operation of saidfan for shifting said fan in horizontal and vertlcal planes;

to provide an improved mounting for said I fan and mechanism; and to provide improved means within said mounting for making electrical, connections between said fan and the source of electricity.

An illustrative embodiment of this i.n--

"ention is shown in the accompanying Figure 1 is a side elevation of the fan. Fig; 2-is a sectional detail taken on the line A-e-A of Fig. 1. Fig. 3 is a sectional detail taken on the line BB' of Fig. 1. Fig. 4 is a an enlarged sectional elevation of the supportin member. 5 is a bottom plan broken away.

In the construction shown inthe drawings, the device comprises a fan 1 connected to a motor 2 rotatably mounted in a oasin 3, and-supported on a 'shaft- 4: journa ed ina supporting member or base 5.

,9 for-securing the shaftagainst longitudi- The fan 1 and motor 2 maybe of any desired construction, the fan belng provided ,with the usual protectin guard 6 supported on the motorcasing 3 y means of arms 7.

The, motor casing 3 has" a lug 8 formed on the underside thereof'which is received in. the bifurcated head 9 of the shaft 4 and pivotally connected theretofiby the stud shaft 10 whereby the motor and fan are tiltably supported on a transversely disposed axis on the shaft 4. A collar 11- .gf insulating material, such as fiber, is at- ;tached to the inner, end of the shaft and b coacts with theenlarged bifurcated head nal movement in the mexnl i er Specification of Letters lfatent.

Patented Jan. 19, 19315.

Application and July -5, 1913. Serial no. 777,558.

A sleeve 12 embraces the head 9, of the shaft 4, and an annular shoulder 13 integrally formed on the supporting member 5. The sleeve 12 is provided with an integral transversely disposed annular flange or track 1 1 concentrically arranged with respect to the shaft 4. This annular flange is of wave-like construction with the crowns of the wave diametrically opposite the depres'sions thereof. Apertures 15 are formed in theflange whereby it is adapted to serve both as a rack and a cam for coacting with a pinion 16 and roller 17. The pinion 16 is secured to a shaft 18 journaled in a hearing 19, depending from the motor casing 3. The shaft 18 is arran ed'substantially parallel to the motor sha t 20 and is secured in the bearing '19 against longitudinal movement by means of collars 21 and 22. The roller 17 is journaled on a stud shaft 23 which is secured to the lug 8 formed on the motor casing 3.

nut 31 has threaded engagement with the shaft 18, preferably left hand, and is adapted'to be shifted so as to move the gear 28" to cause it to bear against the collar 22 and thereby rotatably connect the gear 28 to the shaft 18. A washer or nut 32 is secured to theouter end of the shaft 18 in position to prevent the removal of the lock nut 31.

A member or disk 33 is secured to the shaft 26 below the worm 27, to which may oscillating the fan. The link 34 comprises two parts 35 and 36 rotatably connected to- 'be connected a link 34 for the purpose of gether by having a-threaded shank on one engage'a threaded socket on the other there- 35 is pivotally connected to a bearing 37 100.2 y providing a swivel connection. The part which in turn is pivotally connecmd to the i ared-ins ma tely nwa sof a p nes thereby providing a universal joint. The art 36 is similar ypivotally connected'to a aring 39 which in turn is adapted to be pivotally connected to the disk 33 by means of a pin '40so as to provide a second universal joint. The pin 40 is secured in the disk 33 near the edge thereof having threaded connection therewith, and has the end thereof u set so that it cannot be removed from t e disk. The bearing 39 has a slit 41 cut in the side thereof substantially equal in width to the diameter of the shank 42 of the pin, 40, and a counterbore 43 substantially equal'to the enlargement 44 on the pin 40. This arrangement provides for quickly connecting or disconnecting of the link'34 and the disk 33.

'spect thereto. The collar 12 is also provided A set screw 45 is mounted in the support ingmember 5 in position to engage the shaft '4 so as to secure it against relative movement with respect to the supporting member 5. Another set screw 46 is mounted on the collar 12 in position to engage the annular shoulder 13 of the supporting member 5 for securing the cam against rotation with rewith a set screw 47 which is positioned so as to engage the head 9 of the shaft 4 for the purpose of securing the collar 12 to the shaft.

A rheostat of the usual construction, comprising contacts 48 and switch lever .49 mounted on the insulating block 50, issecured within the bottom of the supporting member 5. Electrical connection between the rheostat and motor is afforded by means of sli rin s 51 and 52 and brushes 53 and 54. a ring made up of 'fiber layers 55 and attached to the supporting member by means of; screws 56. The brushes 53 and 54 are slidably mounted in metal tubes 57 embedded in the collar 11 and normally urged by springs 58 to bear against the slip rings 51 and 52. Screws 59 are screwed into the collar 11 so as to come into contact with the tubes 57 whereby the conductors 60 connect the brushes 53 and 54 with the motor 1. Conductors 61 are connected to the slip rings 51'and 52 by means of the screws 62 and 63, and to the respective contacts on the rheostat. Conductors 64 lead from the rheostat to a source of electricity.

The operation of the device shown is as follows Altogether there are six different movements of the fan which may be ob tained with the construction herein shown; three with the rack or cam independently of the link 34, and three others by means of the dependent action of the link 34. One of these movements is obtained ifthe sleeve 12 is secured to the supporting member 5 by means of the set screws 46 so, that-it cannot rotate, andl'the gear'28 locked in engagehe 5 ip rings 51 and 52 are secured inment with the collar 22. If then the circuit to the motor is closed the fan 1 will be revolved, and through the medium of the gearing will at the same time rotate the pinion 16; The shaft 4 being free to rotate, and the collar 12 being held against rotation, the pinion 16 operating on the rack will cause the fan to turn about a vertical axis. As the pinion travels along the rack, the fan is tilted up and down in a vertical position as the pinion 16 ascends or descends the wave portions of the rack. Thus if a fan of this construction is placed in the center of a room it will direct its air currents entirely around the room in a horizontal plane, and at the same time up and down in a vertical plane. A second movement may be obtained by releasing the set screw 46 and securing the shaft 4 against rotation in the member 5 by means of the set screw 45. If then the motor 2 is set in operation the pinion 16 will retate, but since the shaft 4 is fixed and the sleeve 12 is free to rotate, said pinion will cause the sleeve 12 to rotate. As the Wavelike construction of the rack passes the pinion 16 the fan will be tilted up and down in a vertical plane. If the gear28 is released from driving engagement with the shaft 18 the fan when operated will remain station- 'ary so far as movement with respect to the pin 40 as far as possible, at which time the notch 41 in the bearing 39 may be slipped over the shank 42 of the pin 40. The pin may then be screwed into the disk 33 so that the enlargement 44 becomes seated in the counter-bore 43. The set screws 45 and 46 are withdrawn and the set screw 47 screwed up so as to secure the sleeve 1.2 to the shaft-4. The fan will then have a simple oscillatory movement in a horizontal plane as the disk 33 revolves. If desired the angular position of the fan with respect to the horizontal may be altered by shifting the sleeve 12, before it is secured to the shaft 4, so that the pinion 16 rests at any point between a crest and depression of the flange 14. A fifth xt mo ement f he in; may b obta ed wh n th nk 3 connec d to the d s 33 by releasing all of the set screws and locking the ear 2 8 to. the s fi B- It then the mo tor in operation the, inion 16 will be rotated as the fan is oscil Since the collar 12 is free to rotate on the shaft 4, the

-Pjlll.'l.On 1 6 will cause it to revolve, whereby the fan will be tilted up and down in a vertical plane as is being oscillated.

Although but one specific embodiment of this invention has been herein shown and 'de- 1; thespirit of this invention as follbwing claims.

scribed, 'itwill be understood that'n imerous details of the construction shown may be altered br omitted without departing from efined by the We claim 1. An air circulating device, comprising a supporting member, a motor, blower mechanism mounted on said supporting member and driven by'said motor, mechanism operat ve ly connecting sa d blower mechanism and said supporting-member and positively driven. by said motor so as topause a relative rotation of said blower mechanism and said supporting member, andco-acting means on sai blower mechanism and said supporting member adapted to automatically tilt said blower mechanism. in a vertical 1 plane during the; relative rotation ofisaid; blower,

mechanism with respect tosajd supporting i 2 An air circulating device, comprising a supporting member, amotor, blower niechamsm mounted on said supporting member and'driven by said motor, a track-carried by said s 'ipporting member, means carried by sa d, blower mechanism and engaging said track, mechanism operatively connecting said blower mechanism and said track and being positively driven Ib'y'said motor so'as phase a relative rotation of said blower mechanism and said track, said track and means beingrelatively formed to cause said blower mechanism to be tilted autoi 'inatieally in a vertical plane during the rotationthereof relative to said track. Y

lggaAn air, circulating device, comprising a supporting member,- blower mechanism ounted on said supporting member, atrack of wave-like form on said supporting member, means carried by said blower mecha nism and engaging said trackpand mecha-- nism adapted to cause a relative rotationof said blower mechanism and track.

4; An air circulating-device, comprising a supporting member, a blower mechanism tiltably mounted" on the said supporting member, a transversely disposed annular ;iia nge of wave-like form carried by said supporting member, means carried by said blower mech nismland engaging. said flange,

andi'ijneehanism operatively connected to said said shaft and: flange. i

meansZand adapted to cause a relative rota-;

tion of saidbiower mechanism and flanges .5. jA-n air: circulating device, comprisin'gia; supporting member, a motor .tiitably mount= ed on said supporting member, a-fan carried bysaicl motor, a cam of wave-like form carried by said supporting member, means car-a ried by said motor and, engaging said cam,

and mechanism connecting. said, motor and.

means 'and adapted to cause a relative rotat on of said motor and cam.

said supporting member, amotor tiltably mounted on said shaft on a transverse axis,

a transversely disposed flange of wave-like 6. An air circulating device, comprising a supporting member, a shaftqournaled on:

form carried by said supporting member and v embracing said shaft, means carried by said.

motor and engaging said fiange,-and mechanism connect ng said motor and means and adapted to cause a relative rotation of said shaft and flange. a

N7. Ari-air circulating device, comprising a ,isupporting. member, a motor tiltably mounted thereon, a fan carried by said motor, a rack of wave-like form carried by said supporting member, a pinion carried by said motor; and meshing with said rack, and i'nechan 'sm connecting said pinion with said r motor and adapted to cause a relative rotat on of said motor and rack.

8. Anair circulating device, comprising a supporting member, a transversely-disiposed flange of wavedike form carried-by said supporting member, a shaft journaled '9..'An-".ai-r circulating device, comprising a supporting member, a shaft ournaled in said member, a cam of wave-like form rotatnbly supported on said member coucentri- I (rally of saidshait, a motor tiltably mounted on said shaft on a transverse'axis-a fan carried bus-aid motor, niea'ns'carried by said motor and engaging said cam, mechanism adapted to cause a relative rotation of said shaft and-cam, and locking means adapted to secure eithersaid-bhait or, said "cam against .rotation on said supporting member.

10. An air' circulating device, comprising a supporting meinber,*atshaft jo'urnaled in said member, a cam of wave-like form i'otatablysupported on said member concentrically oi said shaft, a motor tiltably mounted on-said shaft on a transverse axis, afan carried by said'motor, means carried by said motor and; engaging said cam, mechanism. adapted to cause relativerbtation of said shaft and cam, and set screws carried by said supporting member and by said cam and adapted to be shifted to respectively engage said shaftor said supporting member-whereby either said shaftor said cam may be secured against rotation with respect to said supporting member. I

11. An air circulating device, comprising a supporting member, a shaft journaled on said supporting member, a "motor tiltabl'y mounted on said shaft on a transverse axis,

a transversely disposed flange of wave-like form carried v said supporting member-and embracing said shaft, means carried by said motor and means.

12. An air circulating device, comprisin a supporting member, a shaft" journale thereon, a motor tiltably mounted on said shaft on a transverse axis, a fan carried by said motor, a rack of wave-l1ke form supported on said member concentrically of said shaft, a second shaft journaled on said motor. substantially parallel with the axis thereof, a. pinion carried by said second shaft and meshing with saidrack, and gearing connecting said second shaft with said motor. a

13. An air circulating device, comprisin a supporting member, a shaft journale thereon, a motor tiltably mounted on said shafton a transverse axis, a fan.-carried by said motor, a rack of wave-like form supported on said member concentrically of said shaft, a second shaft journaled on said 1motor substantially parallel with the axis thereof, a pinion carried at the forward end of said shaft and meshing-with said rack, a gear'slidably mounted onsaid shaft-adjacent to the outer end thereof, coactin engaging surfaces on said gear and s aft, means for shifting said gear, andigearing connecting said gear with said motor.

14. An air circulating device, comprising a supporting member, a shaft journaled thereon, a motor tiltably mounted on said shaft on a transverse axis, a fan carried by said motor, a, rack of, wave-like form sup ported on said-member concentrically of said shaft, a second shaft journaled on said motor substantially'parall'el with the axis thereof, a pinion carried at the forward end of said shaft and meshing-with said rack, a gearl-slidably mounted on said shaft adjacent to the outer end thereof,'coacting en- 1 gaging surfacesvon said gear and shaft,

means for shifting said gear, a third shaft journaled on said motor, transversely to saidsecond shaft. and having a. worm carried; at

inset-sea one end thereof meshing withfsaid gear, and a worm andgear "connecting said shaft with said motor.

15. man circulating device, comprising a supporting member, a shaft rotatably journaled thereon, a motor tiltably mounted on said shaft, a fan carried by said motor,.a-

rotating member carried by' said fan, ali'nk pivotallyconnected to said supporting member. and to'said rotating member and adaptcd' to impart an oscillatory movement to said fan during the operatiomthe'reof, a transversely disposed inclined track concentrically arranged on said supporting mem-' her, and means carried by saidmotor and adapted to engage said traclr for causing a; tilting thereof during its oscillatory ni'ove-' ment. v v

16. An air circulating device, comprising a supporting member, a shaft rotatably journaled thereon, a motor tiltably mounted on said shaft, :1 fan carried by said m0tor,.a-

rotating member carried by said fan, a link Y pivotally connected to said supporting memher and to said rotating member and adapt" ed to impart an oscillatory movement tosa'id fan during the operation thereof, a trans versely disposed inclined flange on'said supporting member, and means on said motor adapted to coact with said fiangefor changing the angular respect'to the horizontal.

17. An air circulating device, comprising disposition of saidfan with operated by said mechanism, a link pivotally connected to said supporting member and to said rotating member and adapted to 1mpart an oscillatory movement to said fan,

and means for securing said rack in any desired position with respect to said supporting member, so as to cause said pinion to travelover any'part of said rack during the oscillation of said fan.

'18. The combination of a supporting base,

a member rotatably mounted on said base,

means tiltably carried by said member, an

annular track of wave-like construction mounted on said base, driving mechanism a carried by said member and engaging the sa dtrack, amotor connected to operate said driving mechanism and adapted to rotate said-member whereby said driving mechanism is caused to traverse said track for tiltmg said means during the rotation thereof.

1-9. An air circulating device, comprising Y a supportmg' -member',-"a anotontiltably meaeee mounted thereon, a fan carried by said for causing a tilting of said motor and fan 10 motor, a rotating member carried by said during the oscillatory movement thereof. fan, a link pivotally connectedto said sup- Signed at Chicago this 30th day of June Egrting member and to said rotatingmem- 1913. a

, 5 r and adapted to impart an oscillatory LOUIS GREENBERG.

movement to said fan during the operation GUSTAF OLSON. v thereof, an inclined track arranged on said Witnesses:

supporting member, and means carried by EDWIN Perms, said motorand adapted to engage said track J ENNIE BURT. 

